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application/Espo/Core/Job/QueueName.php

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+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Job;
+
+class QueueName
+{
+    /**
+     * Executes as soon as possible. Non-parallel.
+     */
+    public const Q0 = 'q0';
+
+    /**
+     * Executes every minute. Non-parallel.
+     */
+    public const Q1 = 'q1';
+
+    /**
+     * Executes as soon as possible. For email processing. Non-parallel.
+     */
+    public const E0 = 'e0';
+
+    /**
+     * Executes in the main queue pool in parallel. Along with jobs without specified queue.
+     * A portion is always picked for a queue iteration, even if there are no-queue
+     * jobs ordered before. E.g. if the portion size is 100, and there are 200 empty-queue
+     * jobs and 5 m0 jobs, 95 and 5 will be picked respectfully.
+     *
+     * @since 9.2.0
+     */
+    const M0 = 'm0';
+}